mathvids.com - dns.ninja

mathvids.com

DNSSEC⚠️ Not signed
A91.195.240.135🇩🇪 SEDO91.195.240.0/23 -NET-PI
NSns.rackspace.com
A69.20.95.4🇺🇸 RACKSPACE-DFW69.20.95.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218
PTRns.rackspace.com
NSdns1.stabletransit.com
A69.20.95.4🇺🇸 RACKSPACE-DFW69.20.95.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218
PTRns.rackspace.com
NSdns2.stabletransit.com
A65.61.188.4🇺🇸 RACKSPACE-LON65.61.188.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218
PTRns2.rackspace.com
MXaspmx.l.google.com
A2607:f8b0:4004:c08::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbi-in-f26.1e100.net
A172.253.63.26🇺🇸 Google172.253.63.0/24
PTRbi-in-f26.1e100.net
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx2.googlemail.com(30)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXaspmx3.googlemail.com(30)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx4.googlemail.com(30)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXaspmx5.googlemail.com(30)
A2a00:1450:400c:c23::1a🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXTgoogle-site-verification=M_3MmcZHQZwugTwYbCJPJ-PG9pSBtJX9Ugl50gscbOM
TXT"v=spf1 include:amazonses.com ~all"
SOAns.rackspace.comsupport@protrainings.com serial=1715741956

com

WOT: SAFE (71/100)

PTR for

Subdomains

Same first word

DNS History

12 records (11 active, 1 former)

20162017201820192020202120222023202420252026NSdns1.stabletransit.comdns2.stabletransit.comns.rackspace.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA91.195.240.135107.22.163.2
NSdns1.stabletransit.com2015-07-06 → 2026-06-29 · 2 obs
● 2015-07-06 02:25:30
● 2026-06-29 12:14:42
NSdns2.stabletransit.com2015-07-06 → 2026-06-29 · 2 obs
● 2015-07-06 02:25:30
● 2026-06-29 12:14:42
NSns.rackspace.com2015-07-06 → 2026-06-29 · 2 obs
● 2015-07-06 02:25:30
● 2026-06-29 12:14:42
MXalt1.aspmx.l.google.com2015-07-06 → 2026-06-29 · 2 obs
● 2015-07-06 02:25:30
● 2026-06-29 12:14:42
MXalt2.aspmx.l.google.com2015-07-06 → 2026-06-29 · 2 obs
● 2015-07-06 02:25:30
● 2026-06-29 12:14:42
MXaspmx.l.google.com2015-07-06 → 2026-06-29 · 2 obs
● 2015-07-06 02:25:30
● 2026-06-29 12:14:42
MXaspmx2.googlemail.com2015-07-06 → 2026-06-29 · 2 obs
● 2015-07-06 02:25:30
● 2026-06-29 12:14:42
MXaspmx3.googlemail.com2015-07-06 → 2026-06-29 · 2 obs
● 2015-07-06 02:25:30
● 2026-06-29 12:14:42
MXaspmx4.googlemail.com2015-07-06 → 2026-06-29 · 2 obs
● 2015-07-06 02:25:30
● 2026-06-29 12:14:42
MXaspmx5.googlemail.com2015-07-06 → 2026-06-29 · 2 obs
● 2015-07-06 02:25:30
● 2026-06-29 12:14:42
A107.22.163.22015-07-06 → 2017-03-23 · 4 obs
● 2015-07-06 02:25:30
● 2017-03-23 11:44:06
○ 2026-03-17 15:57:50
○ 2026-06-29 12:14:42
A91.195.240.1352026-03-17 → 2026-06-29 · 3 obs
○ 2017-03-23 11:44:06
● 2026-03-17 15:57:50
● 2026-06-29 12:14:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
mathvids.comdns1.stabletransit.com, dns2.stabletransit.com2 records

✅ Authoritative Response

Server:69.20.95.4

NS records: dns1.stabletransit.com, dns2.stabletransit.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathvids.com (unsigned zone)

⏱️ Timing

Total: 344ms | Queries: -

📄 Records

TypeCountSample Data
A191.195.240.135
NS2dns2.stabletransit.com, dns1.stabletransit.com
MX7aspmx.l.google.com (pri: 10), aspmx3.googlemail.com (pri: 30)...
TXT2"v=spf1 include:amazonses.com ~all", google-site-verification=M_3MmcZHQZwugTw
SOA1ns.rackspace.com support.protrainings.co

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.stabletransit.com, dns2.stabletransit.com)

Analysis

Hierarchy

The domain www.mathvids.com falls under the parent mathvids.com.

IP Addresses

mathvids.com points to a single IP number: 91.195.240.135.

Additional host names — kostals.com, thair.co.uk, kaa1.com and two others — share IP numbers with mathvids.com.

Name Servers

Three name servers are authoritative for mathvids.com: ns.rackspace.com, dns1.stabletransit.com and dns2.stabletransit.com.

At least some of mathvids.com's name servers are shared with other domains, for example adcbuae.com, myluvbook.com, statuereservations.com and two more.

These name servers are frequently paired with the name servers ns2.rackspace.com, dns.stabletransit.com, ns1.slicehost.net and two others.

ns.rackspace.com, dns1.stabletransit.com and dns2.stabletransit.com each resolve to one IP address: ns.rackspace.com and dns1.stabletransit.com both point to 69.20.95.4, while dns2.stabletransit.com points to 65.61.188.4.

These two host names — ns.rackspace.com and dns1.stabletransit.com — each point to 69.20.95.4 IP addresses.

Mail Servers

mathvids.com uses 7 mail servers for delivery: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.

mathvids.com shares mail servers — at least in part — with other domains, including aymont.ca, ns500758.ns500758.ns500758.ns500735.ns500698.ns500736.ns500735.ns500735.ns500735.ns500576.ns500698.ns500576.ns500619.ns500576.ns500652.trackreceptor.com, ns500759.ns500758.ns500698.ns500698.ns500698.ns500735.ns500735.ns500735.ns500576.ns500708.ns500698.ns500576.ns500619.trackreceptor.com and two others.

These mail servers are frequently used alongside mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 3 other.

Host names with two IP numbers:

aspmx2.googlemail.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx4.googlemail.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1a.

aspmx5.googlemail.com maps to two IP addresses — 172.253.157.27 and 2a00:1450:400c:c23::1a.

aspmx.l.google.com maps to two IP addresses — 172.253.63.26 and 2607:f8b0:4004:c08::1a.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1a.

These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 172.253.116.26 IP addresses.